time zone

noun

: a geographic region within which the same standard time is used

Illustration of time zone

Illustration of time zone
  • A Pacific time
  • B mountain time
  • C central time
  • D eastern time

Examples of time zone in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The second episode of Lanterns drops this Sunday simultaneously across time zones. — Erik Kain, Forbes.com, 23 Aug. 2026 The time zone matched Japan's, so there was no additional jet lag to manage. — Jordi Lippe-McGraw, Condé Nast Traveler, 21 Aug. 2026 Even East Coast teams would have to adjust to different travel schedules, time zones and jet lag. — Ian Miller Outkick, FOXNews.com, 19 Aug. 2026 Businesses big and small use it to store, ship and deliver merchandise across the country's 11 time zones. — ABC News, 17 Aug. 2026 See All Example Sentences for time zone

Word History

First Known Use

1882, in the meaning defined above

Time Traveler
The first known use of time zone was in 1882

Rhymes for time zone

See All Rhymes for time zone

Browse Nearby Words

timeworn
time zone
Timgad
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Cite this Entry

“Time zone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/time%20zone. Accessed 27 Aug. 2026.

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Kids Definition

time zone

noun
: a geographic region within which the same standard time is used

More from Merriam-Webster on time zone

Britannica.com: Encyclopedia article about time zone

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